A common problem you may have run into is the dreaded running out of connections in your connection pools. This could cause a variety of issues but likely you will see general system slowness, especially for applications directly using the database. A...

PowerVM, PowerKVM, Shared Storage Pools, Port Tagging... everything with PowerVC now After a second residency writing about PowerVC, I can tell you that the tool has some sort of maturity now and is prepared to manage more complex infrastructures. The first...

Shared Storage Pools - just got even more interesting ! SSP Clusters with disks pools and super fast disk allocation VIOS Shared Storage Pools (phase 3) allows 16 VIOS on different machines to operate as a VIOS cluster with a set of SAN LUNs in the pool -...

The new VIOS Shared Storage Pools 3 (SSP3) arrived a month ago and I have all my VIOS updated now to VIOS 2.2.2.1 plus fixes. This brings with it the regular VIOS improvements but also new features for SSP3 including: Better pool use stats for example see...

It has bee a long few weeks traveling to Dublin, Las Vegas, Slovenia, Germany and Sweden to give lots of presentations. Six Weeks and five countries and the expenses are piling up on my desk. I was presenting a core set of topics like POWER7+ announcement...

At last I have got round to rebuilding my Shared Storage Pool cluster of machines. We have the four VIOS limit. So I was thinking: For machines with Dual Virtual I/O Servers - the options are limited so I would pair up machines for mutual Live Partition...

I am using the VIOS Shared Storage Pools more these days and it reduces my system admin time and I really like the Thin Provisioning feature as I have limited SAN disks. Any way, I dusted off an machine that I did my initial investigation on and decided to...